Troubleshooting | Welcome to CircuitPython! | Adafruit Learning System
https://learn.adafruit.com/welcome-to-circuitpython/troubleshooting#macos-sonoma-14-dot-x-disk-errors-writing-to-circuitpy-3160304
うわーっ、Sonomaに上げたらCircuitPythonが使えんなってしまった、はげしくつらい